Answer:
∴ 2nd equation can be used to determine the length of other leg.
Which is known as 
Step-by-step explanation:
Given,
A Right Triangle has hypotenuse of
units and one leg has
units.
We know Pythagoras Formula for Right Triangle;

Here hypotenuse and one leg values in above equation and take
;



So 2nd equation can be used to determine the length of other leg.
The correct answer is the letter B
Answer:
Step-by-step explanation:
Maya ran 127.5 miles each day. Divide each triathlon by 5 and add the sum